package kr.hkit.androidcomplete03.ch25;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;

import kr.hkit.androidcomplete03.R;
import android.app.Activity;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.widget.EditText;

public class SDCard extends Activity {
	EditText mEdit;
	String mSdPath;

	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.sdcard);

		mEdit = (EditText) findViewById(R.id.edittext);
		String ext = Environment.getExternalStorageState();
		if (ext.equals(Environment.MEDIA_MOUNTED)) {
			mSdPath = Environment.getExternalStorageDirectory()
					.getAbsolutePath();
		} else {
			mSdPath = Environment.MEDIA_UNMOUNTED;
		}
	}

	public void mOnClick(View v) {
		switch (v.getId()) {
		case R.id.test:
			String rootdir = Environment.getRootDirectory().getAbsolutePath();
			String datadir = Environment.getRootDirectory().getAbsolutePath();
			String cachedir = Environment.getDownloadCacheDirectory()
					.getAbsolutePath();
			mEdit.setText(String.format("ext = %s\nroot=%s\ndata=%s\ncache=%s",
					mSdPath, rootdir, datadir, cachedir));
			break;
		case R.id.save:
			File dir = new File(mSdPath + "/dir");
			dir.mkdir();
			File file = new File(mSdPath + "/dir/file.txt");
			try {
				FileOutputStream fos = new FileOutputStream(file);
				String str = "This file exists in SDcard";
				fos.write(str.getBytes());
				fos.close();
				mEdit.setText("write success");
			} catch (FileNotFoundException e) {
				mEdit.setText("File Not Found." + e.getMessage());
			} catch (SecurityException e) {
				mEdit.setText("Security Exception");
			} catch (Exception e) {
				mEdit.setText(e.getMessage());

			}
			break;
		case R.id.load:
			try {
				FileInputStream fis = new FileInputStream(mSdPath
						+ "/dir/file.txt");
				byte[] data = new byte[fis.available()];
				while (fis.read(data) != -1) {
					;
				}
				fis.close();
				mEdit.setText(new String(data));

			} catch (FileNotFoundException e) {
				mEdit.setText("File Not Found");

			} catch (Exception e) {
				;
			}
			break;
		}
	}
}
